The effect of ultrasound treatment on the interaction of brine with pork meat proteins

Andrey Sergeev, Natalya Shilkina, Valery Tarasov, Srinivas Mettu, Olga Krasulya, Vladimir Bogush, Elena Yushina

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16 Scopus citations


The objective of the study is to elucidate the effect of ultrasound treated salt solution on curing of pork meat. The interactions of salt (NaCl) solutions of 3 and 25% with the proteins of pork meat are studied. High intensity ultrasound operating at 20 kHz was used. The differential scanning calorimetry (DSC), NMR spin-spin relaxation time, unfrozen water and water diffusion coefficient measurements were carried out in meat cured with ultrasound treated and untreated salt solutions. The effect of ultrasonication was most evident from measured spin-spin relaxation times T21, the rate of chemical exchange of water protons k and the amount of unfrozen water Wunf in the meat. The measured diffusion coefficient of water Dw in meat cured with ultrasound treated and control salt solution did not show significant difference. The nuclear magnetic resonance (NMR) relaxation data, differential scanning calorimetry (DSC) and the diffusion coefficient data reliably show that the possible action of ultrasound to salt solution was manifested on the first 2 days of the experiment with a 3% salt solution.

Original languageBritish English
Article number104831
JournalUltrasonics Sonochemistry
StatePublished - Mar 2020


  • Brine-protein interaction
  • Differential scanning calorimetry
  • Meat curing
  • NMR relaxation
  • Ultrasound
  • Water diffusion


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